Home / 5,165.10-7,747.58-1,269.54

Finding the Fourth Proportional to 5,165.10, 7,747.58 and 1,269.54

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Solution

The fourth proportional to 5,165.10, 7,747.58 and 1,269.54 is: 1,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.10 : 7,747.58 = 1,269.54 : x
  2. Step 2: Convert to fraction form
    5,165.10/7,747.58 = 1,269.54/x
  3. Step 3: Cross multiply
    5,165.10x = 7,747.58 × 1,269.54
  4. Step 4: Simplify right side
    5,165.10x = 9,835,817.63
  5. Step 5: Solve for x
    x = 9,835,817.63/5,165.10
  6. Step 6: Final answer
    x = 1,904.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.